body {
    min-width: 1230px;
    /* 禁止滚动锚定。  */
    overflow-anchor: none;
    background-color: #eee;
    font: 12px/1.5 tahoma, '\5FAE\8F6F\96C5\9ED1', sans-serif;
}

a {
    text-decoration: none;
}

.public_topnav {
    width: 100%;
    height: 78px;
    overflow: visible;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 11;
}
.public_topnav:hover .second_nav{
    display: block;

}
.public_topnav a {
    text-decoration: none;
    cursor: pointer;
}

.main_nav {
    display: flex;
    /* row-水平排列   nowrap-当子项目在主轴上的总跨度大于主轴长度时，不进行换行，而是缩小每个子项目的跨度 */
    flex-flow: row nowrap;
    /* 在弹性盒对象的 <div> 元素中的各项周围留有空白： */
    justify-content: space-around;
    /* 属性 */
    /* overflow: hidden; */
    width: 100%;
    max-width: 1358px;
    min-width: 1230px;
    height: 78px;
    margin: 0 auto;
    position: relative;
    z-index: 10;
}

.icon_link .logo {
    float: left;
    width: 132px;
    height: 49px;
    margin-top: 10px;
}

.icon_link img {
    width: 167px;
    height: 60px;
}

.head_nav {
    display: flex;
    flex-flow: row nowrap;
    width: 55%;
    height: 78px;
    box-sizing: border-box;
    margin-left: 30px;
    padding-top: 16px;
}

.head_nav a {
    width: 20%;
    height: 78px;
    text-align: center;
}

.nav_title {
    display: block;
    color: #fff;
    font-size: 18px;
    letter-spacing: 1px;
}

.nav_subtitle {
    display: block;
    color: #aeaeae;
    font-size: 11px;
    margin-top: -1px;
    letter-spacing: 1px;
}

.search {
    display: block;
    float: left;
    width: 40px;
    height: 40px;
    text-align: center;
    line-height: 40px;
    margin: 17px 12px 0 0;
}

.search_icon,
.app_form,
.close_btn,
.ad_detail,
.app_hover {
    background-image: url('Images/icon_map.png');
    background-size: 405px 178px;
    background-repeat: no-repeat;
}

.search_icon {
    background-position: -381px -39px;
    width: 21px;
    height: 21px;
    display: inline-block;
    vertical-align: middle;
}

.app {
    float: left;
    width: 40px;
    height: 40px;
    text-align: center;
    line-height: 40px;
    margin: 17px 31px 0 0;
}
.app:hover .app_hover{
    display: block;
}
.app .app_form {
    background-position: -303px -84px;
    width: 16px;
    height: 24px;
    display: inline-block;
    vertical-align: middle;
}

.user {
    float: right;
    width: 244px;
    height: 78px;
    position: relative;
    z-index: 3;
}
.user:hover .user_hover{
    display: block;
}
.user_icon {
    float: left;
    width: 48px;
    height: 48px;
    position: relative;
    margin-top: 14px;
    line-height: 48px;
    text-align: center;
    font-size: 0;
}

.user_icon>img {
    display: inline-block;
    vertical-align: middle;
    width: 36px;
    height: auto;
    border-radius: 50%;
}

.user_icon>span {
    display: block;
    background-image: url('Images/icon_map.png');
    background-size: 405px 178px;
    background-repeat: no-repeat;
    background-position: -216px -117px;
    width: 48px;
    height: 48px;
    position: absolute;
    top: 0;
    left: 0;
}

.user_icon span+a {
    display: block;
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
    font-size: 0;
}

.user_info {
    float: left;
    margin-left: 10px;
}

.user_info .user_enter {
    color: #fefefe;
    font-size: 16px;
    line-height: 78px;
}

.user_info .user_enter>a {
    color: #fff3d0;
}

.app_hover {
    background-position: 0 0;
    width: 211px;
    height: 178px;
    position: absolute;
    top: 68px;
    right: 215px;
    display: none;
}

.app_linkicon {
    display: block;
    width: 120px;
    height: 120px;
    text-align: center;
    line-height: 117px;
    background-color: #fff;
    margin: 22px auto 0 auto;
    border-radius: 10px;
}

.app_img {
    display: inline-block;
    vertical-align: middle;
    width: 110px;
    height: 110px;
}

.app_p {
    color: #cdbe91;
    font-size: 12px;
    width: 100%;
    margin-top: 10px;
    text-align: center;
}

.app_hover .polo {
    width: 50px;
    height: 50px;
    display: block;
    position: absolute;
    right: -8px;
    bottom: -2px;
}

.user_hover {
    position: absolute;
    display: none;
    top: 0;
    right: -38px;
    width: 310px;
    height: auto;
    overflow: hidden;
    background: url('Images/bg-repeat.png') repeat;
    padding-top: 78px;
}

.user_hover .p1 {
    width: 100%;
    height: auto;
    box-sizing: border-box;
    padding: 0 24px;
    font-size: 12px;
    color: #848383;
    text-align: center;
    margin-top: 30px;
}

.user_hover .p2 {
    width: 100%;
    height: auto;
    box-sizing: border-box;
    padding: 0 24px;
    font-size: 12px;
    color: #848383;
    text-align: center;
    margin-top: 14px;
}

.user_hover .user_entrance {
    display: block;
    width: 100%;
    height: 44px;
    line-height: 44px;
    text-align: center;
    color: #fff;
    font-size: 16px;
    background-color: #000;
    margin-top: 20px;
}



.arrow_icon {
    background-position: -213px -126px;
    width: 15px;
    height: 9px;
}

.arrow_icon2 {
    background-position: -362px -99px;
    width: 15px;
    height: 9px;
}

.arrow_icon3 {
    background-position: -342px -99px;
    width: 15px;
    height: 9px;
}

/* 箭头移动动画 */
.arrow_icon,
.arrow_icon2,
.arrow_icon3 {
    background-image: url('Images/icon_map2.png');
    background-size: 393px 200px;
    background-repeat: no-repeat;
    display: inline-block;
    vertical-align: middle;
    margin: -2px 0 0 5px;
    animation: 1.5s linear infinite;
}

.new_hero_herf:hover .arrow_icon2,
.user_entrance:hover .arrow_icon,
.btn_morenews:hover .arrow_icon,
.herf_more:hover .arrow_icon,
.week_free_a:hover .arrow_icon3,
.btn_item.btn>a:hover .arrow_icon3 {
    animation-name: arrowanim;
}

@keyframes arrowanim {

    0%,
    100%,
    54% {
        transform: translateX(0)
    }

    18%,
    36% {
        transform: translateX(4px)
    }

    27% {
        transform: translateX(1px)
    }
}

.clear::after {
    content: "";
    clear: both;
}



.second_nav {
    display: none;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    overflow: hidden;
    background: url('Images/nav_cover.png') repeat;
    padding: 88px 0 32px 0;
    z-index: 2;
}

.second_nav_content {
    width: 100%;
    max-width: 1358px;
    min-width: 1230px;
    height: auto;
    margin: 0 auto;
}

.second_nav_content ul {
    width: 55%;
    overflow: hidden;
    margin-left: 187px;
}

.second_nav_content ul>li {
    list-style: none;
    width: 20%;
    float: left;
    height: auto;
    overflow: visible;
}

.second_nav_content_a {
    display: block;
    width: 100%;
    height: 29px;
    overflow: hidden;
    line-height: 29px;
    color: #e1e1e1;
    font-size: 14px;
    text-align: center;
}

.icon_new,
.icon_hot {
    display: inline-block;
    vertical-align: middle;
    width: 14px;
    height: 14px;
    margin: -2px 2px 0 0;
    background-image: url('Images/icon_map.png');
    background-size: 405px 178px;
    background-repeat: no-repeat;

}

.icon_new {
    background-position: -381px -65px;
}

.icon_hot {
    background-position: -347px -84px;
}

.top_search {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 78px;
    overflow: visible;
    background-color: #081322;
    z-index: 11;
    display: none;
}

.top_search_hover {
    min-width: 1230px;
    max-width: 1358px;
    height: 78px;
    margin: 0 auto;
    position: relative;
}

.search_btn {
    float: right;
    width: 40px;
    height: 40px;
    text-align: center;
    line-height: 40px;
    margin: 17px 368px 0 0;
}

.top_input_search {
    float: right;
    width: 368px;
    height: 40px;
    line-height: 40px;
    background-color: #081322;
    box-sizing: border-box;
    padding-left: 5px;
    color: #fff;
    font-size: 16px;
    margin: 19px 200px 0 0;
    border: none;
}

.top_input_search:focus {
    outline: none;
}

.search_btn_close {
    float: right;
    width: 40px;
    height: 40px;
    text-align: center;
    line-height: 40px;
    margin: 17px 6px 0 0;
}

.close_btn {
    background-position: -324px -84px;
    width: 18px;
    height: 18px;
    display: inline-block;
    vertical-align: middle;
}

.head_ad {
    width: 100%;
    min-width: 1230px;
    height: 720px;
    overflow: hidden;
    /* 相对定位 */
    position: relative;
    background: center top no-repeat;
    -webkit-transition:height .6s,background,.6s;
    transition: height .6s, background, .6s;
    /* 堆叠顺序：小的在下，大的在上 */
    z-index: 1;
}

.head_ad.big {
    height: 720px !important;
}

.youxian{
	height: 360px!important;
}


.head_ad1,
.head_ad2 {
    /* 绝对定位 */
    position: absolute;
    left: 50%;
    top: 0;
    width: 1920px;
    height: 100%;
    margin-left: -960px;
}

.head_ad .head_ad1 {
    z-index: 1;
}


.head_ad2 {
    -webkit-transition: opacity .6s;
    transition: opacity .6s;
    opacity: 1;
}



.dark_cover {
    width: 100%;
    height: 131px;
    position: absolute;
    left: 0;
    top: 0;
    background: url('Images/cover.png') repeat center top;
    z-index: 1;
}

.version {
    width: auto;
    max-width: 1358px;
    min-width: 1230px;
    height: 100%;
    position: relative;
    margin: 0 auto;
}

.ad_detail {
    -webkit-transition: bottom .6s, background .3s;
    transition: bottom .6s, background .3s;
    display: block;
    position: absolute;
    z-index: 1;
    left: 50%;
    margin-left: -77px;
    bottom: 32px;
    background-position: -216px -39px;
    width: 160px;
    height: 40px;
    font-size: 0;
    transition: filter .5s;
    filter: brightness(1);
}

.big .ad_detail {
    bottom: 91px;
}

.ad_detail:hover {
    /* 滤镜 */
    filter: brightness(1.15);
}

.version_info {
    position: absolute;
    z-index: 2;
    right: 0;
    bottom: 28px;
    font-size: 14px;
    color: #888787;
}

.version_info>span {
    color: #f5d185;
    margin-right: 10px;
}

.version_detail {
    display: inline-block;
    padding: 0 15px;
    height: 22px;
    border: 2px solid #f5d185;
    text-align: center;
    line-height: 22px;
    background: rgba(0, 0, 0, .65);
    font-size: 12px;
    color: #f5d185;
    border-image: linear-gradient(to bottom, #6b5024 0, #b88d35 100%);
    border-image-slice: 1;
    transition: filter .5s;
    filter: brightness(1);
}

.version_detail:hover {
    filter: brightness(1.15);
    background: rgba(0, 0, 0, .9)
}

.show{
    display: block;
}